int stack, saved, locals, reserved;
/*
+ * In the unlikely event that the TCC limit is raised to more
+ * than 16 bits, it is clamped to the maximum value allowed for
+ * the generated code (0xffff). It is better fail to compile
+ * instead of degrading gracefully.
+ */
+ BUILD_BUG_ON(MAX_TAIL_CALL_CNT > 0xffff);
+
+ /*
* The first two instructions initialize TCC in the reserved (for us)
* 16-byte area in the parent's stack frame. On a tail call, the
* calling function jumps into the prologue after these instructions.
*/
- emit(ctx, ori, MIPS_R_T9, MIPS_R_ZERO, min(MAX_TAIL_CALL_CNT, 0xffff));
+ emit(ctx, ori, MIPS_R_T9, MIPS_R_ZERO, MAX_TAIL_CALL_CNT);
emit(ctx, sw, MIPS_R_T9, 0, MIPS_R_SP);
/*
int stack, saved, locals, reserved;
/*
+ * In the unlikely event that the TCC limit is raised to more
+ * than 16 bits, it is clamped to the maximum value allowed for
+ * the generated code (0xffff). It is better fail to compile
+ * instead of degrading gracefully.
+ */
+ BUILD_BUG_ON(MAX_TAIL_CALL_CNT > 0xffff);
+
+ /*
* The first instruction initializes the tail call count register.
* On a tail call, the calling function jumps into the prologue
* after this instruction.
*/
- emit(ctx, ori, tc, MIPS_R_ZERO, min(MAX_TAIL_CALL_CNT, 0xffff));
+ emit(ctx, ori, tc, MIPS_R_ZERO, MAX_TAIL_CALL_CNT);
/* === Entry-point for tail calls === */